#533A81
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.116 297.3), rgb(83, 58, 129).
Aa
White text reads best on this color (9.17:1).
About this color
#533A81 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.116 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 9.17:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.29:1 |
| White text | 9.17:1 |
Values
| HEX | #533A81 |
| RGB | rgb(83, 58, 129) |
| HSL | hsl(261, 38%, 37%) |
| OKLCH | oklch(41.3% 0.116 297.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #533A81 | 9.17:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #533A81 | 2.29:1 | Fails | Lc 13.1 | Not readable |
| #533A81 text on white | 9.17:1 | AAA | Lc 90.9 | Preferred for body text |
| #533A81 text on black | 2.29:1 | Fails | Lc -11.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4EF
oklch(88.4% 0.037 297.5)
-
Step 300
300
#C5B8E8
oklch(80.9% 0.068 297.3)
-
Step 400
400
#A892DC
oklch(70.7% 0.108 297.2)
-
Step 500
500
#9375D2
oklch(63.1% 0.138 297.1)
-
Step 600
600
#7E5CBF
oklch(55.6% 0.15 297.1)
-
Step 700
700
#6B4BA5
oklch(49.1% 0.14 297.4)
-
Step 800
800 (this color)
#533A81
oklch(41.3% 0.116 297.3)
-
Step 900
900
#47356B
oklch(37.6% 0.091 297.2)
-
Step 950
950
#2A203F
oklch(27.1% 0.057 297.3)
#533A81 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1E4883 | 0.077 |
| Deuteranopia (no green cones) | #25477F | 0.072 |
| Tritanopia (no blue cones) | #494857 | 0.091 |
| Achromatopsia (no color) | #484848 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #533A81
#533A81
oklch(41.3% 0.116 297.3)
- #485100
#485100
oklch(41.3% 0.095 116.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #533A81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.042
- Rebecca Purple #663399 ΔE 0.055
- Twilight #4E518B ΔE 0.061
- Dusk #4E5481 ΔE 0.071
- Cobalt #1E488F ΔE 0.078
- Dusk Blue #26538D ΔE 0.084
- Dusty Grape #545775 ΔE 0.089
Use #533A81 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.